comparison regarding the extent of E.U economic integration. Yet, with low trade barriers and with productive factors at least … notionally mobile across E.U. countries, is the belief that U.S. states are more integrated than E.U. member states correct? To … of 14 E.U. member states and the 51 U.S. states (includes District of Columbia) for the period 1965 to 2000. The …

states and 14 countries of the European Union (EU). Our findings support Zipf's law for US states and indicate convergence … towards this law among EU countries. …

empirically examine for the equal-share relationship for alternative economic groups (i.e., US states, EU countries, Developing … states, holds weakly for EU countries, but does not hold for Developing Countries or the World. …